[CALCITE-2578] Support ANY_VALUE Aggregate Function in ElasticSearch Adapter

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.18.0
• Component/s: elasticsearch-adapter
• Assignee: Julian Hyde
• Reporter: Andrei Sereda
• Created: 20/Sep/18 04:11
• Updated: 23/Dec/18 00:12
• Resolved: 22/Sep/18 19:58

Description

Sometimes it is useful to return a single value from a multi-set (bucket).

SELECT foo, ANY_VALUE(bar) FROM elastic GROUP BY foo

Issue Links

• links to: PR#848